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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.2% TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The TL431ILPRP is a three-terminal programmable shunt regulator diode from onsemi, operating within an industrial temperature range of -40°C to +85°C. It functions as a low temperature coefficient zener reference, adjustable from Vref to 36V using two external resistors. The device supports a cathode current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 Ω. It features a reference input voltage tolerance of ±1% and a typical full-range temperature coefficient of 50 ppm/°C.
Feature Summary
- Programmable output voltage adjustable via external resistors up to 36V
- Temperature compensated for stable operation across the full rated industrial temperature range
- Low dynamic output impedance ensuring precise regulation characteristics
Applications
- Digital voltmeters
- Power supplies
- Op amp circuitry
- Voltage monitors
Procurement Notes
Verify the specific suffix 'LP' corresponds to the TO-92 (TO-226) package configuration required for your design. Confirm that the 'I' designation aligns with the necessary -40°C to +85°C industrial operating temperature range. Ensure compatibility with RoHS compliance standards if applicable to your manufacturing process.
Selection Notes
Select this component when a precision, adjustable voltage reference is needed in a through-hole TO-92 package. It serves as a direct replacement for standard Zener diodes where higher accuracy and lower temperature drift are required. Consider the 1% tolerance and 50 ppm/°C coefficient for applications demanding strict voltage stability over varying thermal conditions.
Part Context
This part belongs to the TL431, A, B Series family of programmable precision references manufactured by onsemi. These monolithic ICs are designed to replace traditional discrete Zener diodes in various analog and power management circuits. The series offers flexibility in setting reference voltages while maintaining high performance metrics suitable for commercial and industrial electronics.
Replacement Considerations
Direct substitutes include other TL431 variants with matching package and tolerance specifications, such as TL431AILPRP or TL431BILPRP, depending on the required reference voltage tolerance.
